view tests/group_by.lac @ 228:19e5791923d0

Resolving lingering type class constraints
author Adam Chlipala <adamc@hcoop.net>
date Thu, 21 Aug 2008 14:45:31 -0400
parents 524e10c91478
children
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table t1 : {A : int, B : string, C : float}
table t2 : {A : float, D : int}

val q1 = (SELECT * FROM t1 GROUP BY t1.B)
val q2 = (SELECT * FROM t1, t2 GROUP BY t1.B, t2.D, t1.A)

val q3 = (SELECT * FROM t1 WHERE t1.A = 0 GROUP BY t1.B)
val q4 = (SELECT * FROM t1 WHERE t1.A = 0 GROUP BY t1.C HAVING t1.C < 0.2)

val q5 = (SELECT t1.A, t2.D FROM t1, t2 GROUP BY t2.D, t1.A)
val q6 = (SELECT t1.A, t2.D FROM t1, t2 WHERE t1.C = 0.0 GROUP BY t2.D, t1.A HAVING t1.A = t1.A AND t2.D = 17)